Patents by Inventor Duan-Cheng Hsieh

Duan-Cheng Hsieh has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: D402071
    Type: Grant
    Filed: June 3, 1997
    Date of Patent: December 1, 1998
    Assignee: Habitex Corporation
    Inventor: Duan-Cheng Hsieh